channel attenuation using matlab

[ashokone]

hi i am finding difficulty in finding channel attenuation using matlab, i am not getting desired equation for this?

finally i want to plot attenuation vs distance/

how to do this in matlab? plz help

 

[slava_edf]

Budget...?

 

[ashokone]

i didn't get what u r telling

 

[slava_edf]

Budget...?

 

[ashokone]

transmitter power=1w;
frequency=2ghz

distance=1 to 10meters